Dimon Makes His Case

J.P. Morgan Chase & Co. Chairman and Chief Executive James Dimon is making the case for continuity in the final days before a potentially defining vote on his future.

Mr. Dimon told an audience in Boston Tuesday that the nation's largest bank had "fixed" the problems that led to a massive trading loss last year, according to people who were there. Mr. Dimon also reminded the 1,300 technology investors that J.P. Morgan...